Java: Fix tx_get_input_signature_hash#503

Merged

jgriffiths merged 2 commits intomasterfrom

elements_java_tx

Aug 13, 2025

Commits on Aug 12, 2025

java: add a test for tx_get_input_signature_hash
jgriffiths
committed

Commits on Aug 13, 2025

java: allow non-const maps to be passed as null
jgriffiths
committed